Tranquil Dawn vs Portland Stone - Dark
Tranquil Dawn is a Dulux color while Portland Stone - Dark comes from Little Greene. Hue-wise, Tranquil Dawn belongs to the green-grey family and Portland Stone - Dark to the beige-greige family. At LRV 55 vs 33, Tranquil Dawn will read as the brighter of the two — a 22-point gap that matters most in north-facing or low-light rooms. The tonal difference — Tranquil Dawn's neutral character against Portland Stone - Dark's yellow — becomes most visible against white trim or in morning light. At ΔE 19.3, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Tranquil Dawn vs Portland Stone - Dark in Real Spaces
1 real room side by side. Seeing Tranquil Dawn and Portland Stone - Dark in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Tranquil Dawn returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Tranquil Dawn vs Portland Stone - Dark Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Portland Stone - Dark on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Tranquil Dawn comparisons
See how Tranquil Dawn stacks up against other well-photographed colors across different brands and tones.










































